fe/fe-core/src/main/java/org/apache/doris/ha/HAProtocol.java

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// to you under the Apache License, Version 2.0 (the
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//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.ha;

import java.net.InetSocketAddress;
import java.util.List;

public interface HAProtocol {
    // increase epoch number by one
    boolean fencing();

    // get observer nodes in the current group
    List<InetSocketAddress> getObserverNodes();

    // get replica nodes in the current group
    List<InetSocketAddress> getElectableNodes(boolean leaderIncluded);

    // get the leader of current group
    InetSocketAddress getLeader();

    // remove a node from the group
    boolean removeElectableNode(String nodeName);
}